The global 500 :    the roll of honour for environmental achievement . 
  Global five hundred 

 - Nairobi, Kenya :    United Nations Environment Programme,    2001- 
 - v. ;    20 cm. 
 - Annual 
<br/><br/>  Description based on: 1990; title from cover.   Latest issue consulted: 1987-1992. 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Environmentalists -- Directories.<br/> Environmental protection -- Societies, etc. -- Directories.<br/> Environmental protection -- Periodicals -- Directories.